Spring water heating Japanese greenhouse

Onsen waters (hot spring waters) are being used to heat a Japanese greenhouse and grow asparagus.

The Asahi Shimbun: 

Along with warming bathers on the long snowy nights here, "onsen" hot spring waters are also being used to grow asparagus in the winter by heating a greenhouse in a test being conducted by local officials and business representatives.

It marks the first time in Hokkaido that asparagus are being raised in a plastic greenhouse being heated only by onsen waters.

The vegetables are expected to be harvested later this month and supplied to a local hotel.

The experiment is being conducted by a group consisting of the Noboribetsu city government and the Noboribetsu Chamber of Commerce and Industry along with flower shop Hanazen, the Noboribetsu Grand Hotel and chemical company Hokkaido Soda Co.

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